Unit for preventing the use of an electronic appliance during certain time intervals



FIG. 1 is a top, front, and left side perspective view of a unit for preventing the use of an electronic appliance during certain time intervals showing my new design;

FIG. 2 is an enlarged top plan view thereof;

FIG. 3 is an enlarged front elevational view thereof;

FIG. 4 is an enlarged right side elevational view thereof;

FIG. 5 is an enlarged left side elevational view thereof;

FIG. 6 is an enlarged rear elevational view thereof; and,

FIG. 7 is an enlarged bottom plan view thereof. 

The ornamenal design for an unit for preventing the use of an electronic appliance during certain time intervals, as shown and described. 